InfoScale™ 9.0 Cluster Server Agent Developer's Guide - AIX, Linux, Solaris, Windows

Scalar

A scalar has only one value.

For example:

    MountPoint = "/Backup"

Vector

A vector is an ordered list of values. Each value is indexed using a positive integer beginning with zero.

Use a comma (,) or a semi-colon (;) to separate values.

A set of brackets ([]) after the attribute name denotes that the dimension is a vector.

Example snippet from the type definition file for an agent:

str BackupSys[]

When values are assigned to a vector attribute in the main.cf configuration file, the attribute definition might resemble:

BackupSys[] = { sysA, sysB, sysC }

For example, an agent's ArgList is defined as:

static str ArgList[] = {RVG, DiskGroup, Primary,
 SRL, Links}

Keylist

A Keylist is an unordered list of strings, and each string is unique within the list.

Use a comma (,) or a semi-colon (;) to separate values.

For example, to designate the list of systems on which a service group will be started with VCS (usually at system boot):

AutoStartList = {SystemA; SystemB; SystemC}

For example:

keylist BackupVols = {}

When values are assigned to a keylist attribute in the main.cf file, it might resemble:

BackupVols = { vol1, vol2 }

Association

An association is an unordered list of name-value pairs.

Use a comma (,) or a semi-colon (;) to separate values.

A set of braces ({}) after the attribute name denotes that an attribute is an association.

For example, to designate the list of systems on which the service group is configured to run and the system's priorities:

SystemList = {SystemA=1, SystemB=2, SystemC=3}

For example:

int BackupSysList {}

When values are assigned to an association attribute in the main.cf file, it might resemble:

BackupSysList{} = { sysa=1, sysb=2, sysc=3 }